12640698

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 80

約数和(自身を含む): 33035904

約数和(自身を除く): 20395206

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 81, 126, 142, 157, 162, 189, 213, 314, 378, 426, 471, 497, 567, 639, 942, 994, 1099, 1134, 1278, 1413, 1491, 1917, 2198, 2826, 2982, 3297, 3834, 4239, 4473, 5751, 6594, 8478, 8946, 9891, 11147, 11502, 12717, 13419, 19782, 22294, 25434, 26838, 29673, 33441, 40257, 59346, 66882, 78029, 80514, 89019, 100323, 156058, 178038, 200646, 234087, 300969, 468174, 601938, 702261, 902907, 1404522, 1805814, 2106783, 4213566, 6320349, 12640698]

約数ペア:

[(1, 12640698), (2, 6320349), (3, 4213566), (6, 2106783), (7, 1805814), (9, 1404522), (14, 902907), (18, 702261), (21, 601938), (27, 468174), (42, 300969), (54, 234087), (63, 200646), (71, 178038), (81, 156058), (126, 100323), (142, 89019), (157, 80514), (162, 78029), (189, 66882), (213, 59346), (314, 40257), (378, 33441), (426, 29673), (471, 26838), (497, 25434), (567, 22294), (639, 19782), (942, 13419), (994, 12717), (1099, 11502), (1134, 11147), (1278, 9891), (1413, 8946), (1491, 8478), (1917, 6594), (2198, 5751), (2826, 4473), (2982, 4239), (3297, 3834)]